Category: Science

Leonardo da Vinci Helicopter | ''Air screw'' Codex Atlanticus f.844r is a drawing Ms B 83v by Leonardo da Vinci 1486-1490

Leonardo da Vinci Helicopter: Aerial Screw

Around the year 1490 Leonardo da Vinci drew this helicopter in one of his notebooks, which he called “Aerial Screw”. Why did he give it that name? He believed that the rotor of his machine […]

Archeopteryx revealed that birds are dinosaurs' descendants

Birds are descendants of dinosaurs

The current scientific consensus is birds are descendants of dinosaurs. If we speak more accurately, they are a group of theropod dinosaurs originated during the Mesozoic Era. A close relationship between birds and dinosaurs was first […]

We are stardust

We are stardust. What does this quote mean?

Some people say we are stardust because our bodies are made up of atoms that come from old stars that exploded long ago. The process of formation of complex atoms After the Big Bang, there […]